import { type Cache } from '../cache/core/cache.js';
import type { WithCacheConfig } from '../cache/core/types.js';
import { entityKind } from '../entity.js';
import type { TablesRelationalConfig } from '../relations.js';
import type { PreparedQuery } from '../session.js';
import { type Query, type SQL } from '../sql/index.js';
import type { NeonAuthToken } from '../utils.js';
import { PgDatabase } from './db.js';
import type { PgDialect } from './dialect.js';
import type { SelectedFieldsOrdered } from './query-builders/select.types.js';
export interface PreparedQueryConfig {
    execute: unknown;
    all: unknown;
    values: unknown;
}
export declare abstract class PgPreparedQuery<T extends PreparedQueryConfig> implements PreparedQuery {
    protected query: Query;
    private cache;
    private queryMetadata;
    private cacheConfig?;
    constructor(query: Query, cache: Cache | undefined, queryMetadata: {
        type: 'select' | 'update' | 'delete' | 'insert';
        tables: string[];
    } | undefined, cacheConfig?: WithCacheConfig | undefined);
    protected authToken?: NeonAuthToken | undefined;
    getQuery(): Query;
    mapResult(response: unknown, _isFromBatch?: boolean): unknown;
    /** @internal */
    setToken(token?: NeonAuthToken): this;
    static readonly [entityKind]: string;
    /** @internal */
    joinsNotNullableMap?: Record<string, boolean>;
    /** @internal */
    protected queryWithCache<T>(queryString: string, params: any[], query: () => Promise<T>): Promise<T>;
    abstract execute(placeholderValues?: Record<string, unknown>): Promise<T['execute']>;
    /** @internal */
    abstract execute(placeholderValues?: Record<string, unknown>, token?: NeonAuthToken): Promise<T['execute']>;
    /** @internal */
    abstract execute(placeholderValues?: Record<string, unknown>, token?: NeonAuthToken): Promise<T['execute']>;
    /** @internal */
    abstract all(placeholderValues?: Record<string, unknown>): Promise<T['all']>;
    /** @internal */
    abstract isResponseInArrayMode(): boolean;
}
export interface PgTransactionConfig {
    isolationLevel?: 'read uncommitted' | 'read committed' | 'repeatable read' | 'serializable';
    accessMode?: 'read only' | 'read write';
    deferrable?: boolean;
}
export declare abstract class PgSession<TQueryResult extends PgQueryResultHKT = PgQueryResultHKT, TFullSchema extends Record<string, unknown> = Record<string, never>, TSchema extends TablesRelationalConfig = Record<string, never>> {
    protected dialect: PgDialect;
    static readonly [entityKind]: string;
    constructor(dialect: PgDialect);
    abstract prepareQuery<T extends PreparedQueryConfig = PreparedQueryConfig>(query: Query, fields: SelectedFieldsOrdered | undefined, name: string | undefined, isResponseInArrayMode: boolean, customResultMapper?: (rows: unknown[][], mapColumnValue?: (value: unknown) => unknown) => T['execute'], queryMetadata?: {
        type: 'select' | 'update' | 'delete' | 'insert';
        tables: string[];
    }, cacheConfig?: WithCacheConfig): PgPreparedQuery<T>;
    execute<T>(query: SQL): Promise<T>;
    /** @internal */
    execute<T>(query: SQL, token?: NeonAuthToken): Promise<T>;
    all<T = unknown>(query: SQL): Promise<T[]>;
    count(sql: SQL): Promise<number>;
    /** @internal */
    count(sql: SQL, token?: NeonAuthToken): Promise<number>;
    abstract transaction<T>(transaction: (tx: PgTransaction<TQueryResult, TFullSchema, TSchema>) => Promise<T>, config?: PgTransactionConfig): Promise<T>;
}
export declare abstract class PgTransaction<TQueryResult extends PgQueryResultHKT, TFullSchema extends Record<string, unknown> = Record<string, never>, TSchema extends TablesRelationalConfig = Record<string, never>> extends PgDatabase<TQueryResult, TFullSchema, TSchema> {
    protected schema: {
        fullSchema: Record<string, unknown>;
        schema: TSchema;
        tableNamesMap: Record<string, string>;
    } | undefined;
    protected readonly nestedIndex: number;
    static readonly [entityKind]: string;
    constructor(dialect: PgDialect, session: PgSession<any, any, any>, schema: {
        fullSchema: Record<string, unknown>;
        schema: TSchema;
        tableNamesMap: Record<string, string>;
    } | undefined, nestedIndex?: number);
    rollback(): never;
    /** @internal */
    getTransactionConfigSQL(config: PgTransactionConfig): SQL;
    setTransaction(config: PgTransactionConfig): Promise<void>;
    abstract transaction<T>(transaction: (tx: PgTransaction<TQueryResult, TFullSchema, TSchema>) => Promise<T>): Promise<T>;
}
export interface PgQueryResultHKT {
    readonly $brand: 'PgQueryResultHKT';
    readonly row: unknown;
    readonly type: unknown;
}
export type PgQueryResultKind<TKind extends PgQueryResultHKT, TRow> = (TKind & {
    readonly row: TRow;
})['type'];
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